| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 55 of 55 | 0% | 2 of 2 | 0% | 5 | 5 | 21 | 21 | 4 | 4 |
| static {...} | | 0% | | 0% | 2 | 2 | 10 | 10 | 1 | 1 |
| testClose() | | 0% | n/a | 1 | 1 | 8 | 8 | 1 | 1 | |
| TestCompressorStream() | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 | |
| finish() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 |